參數(shù)資料
型號(hào): MC68HC05C0B
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 4 MHz, MICROCONTROLLER, PDIP42
封裝: SDIP-42
文件頁數(shù): 25/96頁
文件大小: 357K
代理商: MC68HC05C0B
MOTOROLA
Section 4: Interrupts
Page 22
MC68HC05C0 Specification Rev. 1.2
Figure 4-1: Interrupt Flowchart
LOAD PC FROM:
SWI: $FFFC-$FFFD
IRQ: $FFFA-$FFFB
TIM: $FFF8-$FFF9
SCI: $FFF6-$FFF7
MFT: $FFF4-$FFF5
KEY: $FFF2-$FFF3
N
RESTORE REGISTERS
FROM STACK
CCR, A, X, PC
IRQ
EXT. INTERRUPT
CLEAR IRQ
REQUEST
LATCH
FETCH NEXT
INSTRUCTION
EXECUTE
INSTRUCTION
N
Y
N
I-BIT
IN CCR
SET?
TIM
INTERRUPT
SWI
INSTRUCTION
?
N
Y
RTI
INSTRUCTION
?
Y
FROM
RESET
N
Y
SCI
INTERRUPT
N
Y
MFT
INTERRUPT
STACK PC, X,
ACC, & CCR
SET I BIT IN
CC REGISTER
N
Y
KEY
INTERRUPT
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